458
CDUS45 KRIW 170727
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SAT OCT 17 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 16 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 3:43 PM 77 2024 58 -2 46
MINIMUM 27 6:07 AM 19 1999 31 -4 34
AVERAGE 42 45 -3 40
PRECIPITATION (IN)
YESTERDAY 0.00 0.67 0.04 -0.04 0.40
MONTH TO DATE 0.43 0.56 -0.13 1.43
SINCE SEP 1 1.98 1.33 0.65 2.42
SINCE JAN 1 4.95 7.69 -2.74 8.67
SNOWFALL (IN)
YESTERDAY 0.0 5.2 1998 0.0
MONTH TO DATE 0.0 T
SINCE SEP 1 0.0 T
SINCE JUL 1 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 20 3 25
MONTH TO DATE 148 270 -122 227
SINCE SEP 1 233 475 -242 324
SINCE JUL 1 235 511 -276 327
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 4 0 4 0
SINCE SEP 1 48 31 17 37
SINCE JAN 1 761 499 262 611
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 2.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 4:00 AM
LOWEST 44 1:00 PM
AVERAGE 68
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 74 2003
2023
MINIMUM TEMPERATURE (F) 31 16 1999
SUNRISE AND SUNSET
OCTOBER 17 2026.......SUNRISE 7:30 AM MDT SUNSET 6:28 PM MDT
OCTOBER 18 2026.......SUNRISE 7:31 AM MDT SUNSET 6:26 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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